A blood pressure measuring device includes a curler configured to bend along a circumferential direction of a wrist of a living body, and configured to come into contact with a portion of the wrist at least between a dorsal side and a palmar side； a strap provided to a device main body, and configured to cover an outer surface of the curler； a sensing cuff arranged in a region of the wrist where arteries exist； a back plate provided on a side of the sensing cuff nearer to the curler； a rubber plate provided on a side of the back plate nearer to the curler； a pressing cuff provided between the curler and the rubber plate； and a cuff provided on a side of the curler nearer to the living body and arranged on the dorsal side of the wrist.
